Journal
ADVANCED COMPOSITES AND HYBRID MATERIALS
Volume 5, Issue 1, Pages 21-38Publisher
SPRINGERNATURE
DOI: 10.1007/s42114-021-00321-1
Keywords
Fillers; Tailoring methods; Filler network; Thermal conductivity; Polymer composites
Funding
- PhD research start-up foundation of Xiangtan University [20QDZ19]
- Opening Project of State Key Laboratory of Molecular Engineering of Polymers (Fudan University) [k2021-14]
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The thermal conductivity of polymer composites is greatly affected by the types, sizes, and shapes of fillers in the filler network, and there are ongoing advancements in approaches to tailor the filler networks.
To enhance the thermal conductivity of polymers, a polymer composite system is an effective method, where types of thermally conductive fillers are often introduced into the polymer matrices to form special paths for the phonons or electrons. After years of studies, it can be concluded that selective fillers of different aspect ratio, size, and content and tailoring methods of filler network often result in multiple arrangements of filler network in space, which greatly affect the thermal conductivity of polymer composites. Thus, in this review, we summarize the main affecting factors of filler network, including the types, sizes, and shapes of fillers. Later, we discuss the latest progress of approaches to tailor the filler networks and outline the challenges and prospects of thermally conductive polymer composites.
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